EP1440553B1 - Operation de telechargement de fichiers - Google Patents

Operation de telechargement de fichiers Download PDF

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Publication number
EP1440553B1
EP1440553B1 EP02802325A EP02802325A EP1440553B1 EP 1440553 B1 EP1440553 B1 EP 1440553B1 EP 02802325 A EP02802325 A EP 02802325A EP 02802325 A EP02802325 A EP 02802325A EP 1440553 B1 EP1440553 B1 EP 1440553B1
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EP
European Patent Office
Prior art keywords
data
segments
requested
download
additional
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP02802325A
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German (de)
English (en)
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EP1440553A1 (fr
Inventor
William Johnston
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Telecommunications PLC
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British Telecommunications PLC
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Filing date
Publication date
Application filed by British Telecommunications PLC filed Critical British Telecommunications PLC
Priority to EP02802325A priority Critical patent/EP1440553B1/fr
Publication of EP1440553A1 publication Critical patent/EP1440553A1/fr
Application granted granted Critical
Publication of EP1440553B1 publication Critical patent/EP1440553B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/04—Protocols specially adapted for terminals or networks with limited capabilities; specially adapted for terminal portability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/2866—Architectures; Arrangements
    • H04L67/30—Profiles
    • H04L67/306—User profiles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
    • H04L69/329—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the application layer [OSI layer 7]

Definitions

  • WAP terminals are wireless terminals configured to access "Internet” addresses over a cellular telephone connection.
  • the terminals correspond with suitably configured websites using a simplified version of the standard "http” (hypertext transfer protocol) known as "WTP” (wireless transfer protocol) which minimises the content to include only the essential information (e.g. by omitting graphical information and transmitting only text).
  • http hypertext transfer protocol
  • WTP wireless transfer protocol
  • a process of downloading requested data from a database to a remote terminal using a data server system wherein additional information is provided for display on a terminal during the file download, and wherein the requested data is divided into a number of segments, with the additional data transmitted between the segments.
  • the division into segments allows the additional data to be delivered over the course of the delivery of the requested data. This allows the nature of the additional data to be varied depending on factors such as the length of time the download is taking. It also allows updates to be delivered.
  • the number of segments may be selected according to the time required to transmit the requested data, as determined by factors such as the data rate of the connection over which the download process is to take place, and the amount of data to be downloaded.
  • the additional data may be retrieved from the same database as the requested information, but it may be retrieved from elsewhere, such as an internet gateway server. It may be displayed immediately, or stored on the terminal for subsequent display.
  • the display of this additional information will be referred to in the specification as a "splash screen".
  • the additional information may be generated by the server or by the content provider, and may comprise plain text, moving pictures, or other information.
  • the text could consist of amusing, edifying or interesting information such as details of useful website addresses, interesting "trivia", news, advertising, quizzes, or any other information which can make the process more interesting for the user during the download period.
  • the data could also give status information about the file or about progress in the downloading process.
  • the splash screen data is initially displayed at the beginning of the download of the requested file, and updated during the download procedure.
  • Further data may be displayed at the end of the download procedure, for example answers to quiz questions set in earlier screens.
  • the additional data may be selected from a database according to factors such as the number of segments to be transmitted, and user preferences recorded in a user profile.
  • the server controls the splash screen process during a file download, transmitting information downloaded from a content provider for display on the handset whilst download of the requested information is in progress, or sending control signals to the handset to display the appropriate material.
  • the handset displays the splash screen until file download is completed. This additional data will add an overhead to the time taken for the download procedure. If used on a high bandwidth system there is no major restriction on download time and content displayed, but in a low bandwidth system, to avoid this overhead being excessive, it is preferable to transmit only simple messages, or control signals to cause the terminal to carry out predetermined functions.
  • Figure 1 shows the main elements of a WAP-based embodiment.
  • the principal elements are the content server 7 and the remote client terminal 1. All the other elements are only required to enable a WAP session to take place. For a normal internet browsing session the internal elements of the system would change appropriately.
  • a terminal here embodied as a WAP-enabled cellular telephone 1 is connected over a telephone system 2, 3, 4 to a gateway server 6.
  • the telephone system is shown as a GSM cellular network 2 connected, through a fixed PSTN switched system 3, to a set of dial-up racks 4, which are banks of modems located in the PSTN network and configured to receive data calls.
  • access to the gateway 6 is controlled through a Remote Access Dial-Up Server 41 (known by the acronym RADIUS) which adds an extra layer of security for remote workers who are accessing a private network, and also issues IP numbers to the handset.
  • RADIUS Remote Access Dial-Up Server 41
  • the interface 5 between the PSTN 3,4,41 and the gateway 6 also incorporates a firewall system 51 for additional security.
  • a provisioning server 61 which is used to authenticate devices 1 attempting to connect to the gateway 6.
  • the gateway 6 has access, over the "Internet", to a data server 7 which stores the content (e.g. media files, text information etc) that can be sent to the handset during a WAP session.
  • the user terminal 1 transmits an address code ("url") to identify the individual item of content 70 required.
  • the content may have to be retrieved from another server (not shown) if it is not already available on the content server 7.
  • Such retrieved content can be stored in the content server 7, both for buffering purposes if part of the conection 1,2,3,4,5,6,7 has a lower data transmission rate than the means by which the data server 7 retrieves it from its source, and also to allow future retrieval of the same data by the same handset 1 or others having access to the content server 7.
  • a content server used in this way is known as a "proxy server"
  • Certain addresses 71 in the content server 7 are not accessible manually by the user. Instead, they are transmitted automatically by the data content server 7 under certain conditions, in particular, when a large file 70 such as a media clip has been requested.
  • the content server 7 has request analysis means 72 for receiving requests for data, associated with other information relating to the request such as the identity of the user requesting the data, (or a user profile for that user), and the data rate of the connection over which the data is to be transmitted.
  • the request analysis means 72 operates to select the requested data 70 and to control processes applied to the data before transmission, including the selection and provision of the additional data 71.
  • One of the functions performed by the analysis means 72 is to determine the number of segments (one or more) in which the requested data is to be transmitted. Means 73 are provided for dividing the data into the required number of segments. The requested data 70 and additional data 71 are assembled and transmitted to the user terminal 1 by a transmission section 74.
  • the analysis means 72 first characterises the type and size of file requested (step 211), the data rate of the communications connection 2,3,4,5 (step 212), and also obtains a user profile (step 213) relating to the capabilities of the terminal 1 and any expressed preferences.
  • the analysis means 72 also controls the download process and determines whether to download splash screen data 71, (step 22), based on criteria such as the capabilities of the handset 1, any user preferences, the size of the requested file 70 or under the control of the system operator. If the request meets certain criteria, in particular on file size and on data rate over the connection to the terminal 1, the transmitter 74 transmits a splash screen file 71 (step 261) before the download of the requested file 70 is initiated (step 27), and according to the criteria set in the characterising step (211,212,213) may also be invoked at other times during the download procedure (step 262) between segments (27) of the requested data, or after it has been completed. If the criteria are not met the requested file 70 is simply transmitted to the terminal (step 27) with no splash screen 71.
  • the splash screen 71 is a short data file that takes minimal time to transmit, and provides some data for display to the user whilst the requested file 70 is downloaded.
  • splash screen data can be transmitted during transmission of the content 70 requested by the user (step 262), according to the size of the file 70 and the nature of the information in the splash screen 71.
  • the segmenter 73 breaks the requested file 70 into segments (step 23) so that updated splash screen information can be transmitted (step 262) in between these segments (steps 27, 279).
  • the splash screen currently displayed on the terminal is replaced by the requested data 70 (step 29).
  • An instruction to the terminal 1 instructing it to display a concluding splash screen may be transmitted (step 28), for example giving the answers to a puzzle set in the initial splash screen 26), before the requested data is displayed (step 29).
  • the data for the concluding screen (28) may be transmitted at the end of the requested data (step 27) for immediate display (step 28) or it may be transmitted with the data for an earlier screen (step 261, 262), being stored by the terminal 1 until it is required.
  • Different splash screen contents 71 may be stored by the content server 7, selectable (step 25) according to a stored profile of the user 1, the subject matter of the requested file 70, the size of the file requested 70, and other criteria.
  • the splash screen may present the user with a puzzle on a subject of interest to the user, the difficulty of the puzzle being selected according to the projected download time for the requested file 70 (or a segment thereof).
  • the solution is presented to the user at the end of the download of the requested file 70 (step 28) or at some other time during the download process.
  • the additional data 71 may be supplied by the gateway 6.
  • the provisioning server 61 associated with the gateway 6 has information about the individual users 1, this makes selection of additional data simpler, as it can use user profiles and data rates, but it allows less flexibility in how to adapt the required data 70.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Information Transfer Between Computers (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Au cours d'un procédé de téléchargement d'un important fichier de données d'une base de données vers un terminal à distance, au moyen d'un système de serveur de données, le terminal de destination affiche des informations supplémentaires, amusantes, édifiantes ou intéressantes, telles que des détails d'adresses Web utiles, des questions anecdotiques intéressantes, des nouvelles, de la publicité, des jeux-questionnaires, une information de statut concernant le fichier ou un avancement du processus de téléchargement ou d'autres informations qui peuvent rendre le processus de téléchargement plus intéressant pour l'utilisateur. Les données supplémentaires peuvent être extraites à partir de la même base de données comme l'information demandée, mais elles peuvent être extraites de n'importe où, par exemple d'un serveur de portail Internet. Les données sont affichées au commencement du téléchargement du fichier demandé, et elles peuvent être modifiées ou mises à jour, au cours de la procédure de téléchargement, si un fichier important doit être transmis. Les données demandées sont divisées en un certain nombre de segments, les données supplémentaires étant transmises entre les segments. Le nombre de segments doit être sélectionné en fonction du temps requis pour transmettre les données demandées, telles que déterminées par des facteurs, comme le débit de données de la connexion, par le biais de laquelle le processus de téléchargement est amené à se produire, et la quantité de données à télécharger. D'autres données, par exemple, des réponses à des questions peuvent être affichées à la fin de la procédure de téléchargement.

Claims (16)

  1. Procédé consistant à télécharger des données demandées, depuis une base de données vers un terminal éloigné, en utilisant un système de serveur de données, dans lequel des informations supplémentaires sont fournies en vue d'un affichage sur un terminal au cours du téléchargement de fichier, et caractérisé en ce que les données demandées sont divisées en un certain nombre de segments, les données supplémentaires étant transmises entre les segments.
  2. Procédé selon la revendication 1, dans lequel les données supplémentaires sont transmises au terminal par le système de serveur de données.
  3. Procédé selon la revendication 1 ou la revendication 2, dans lequel le nombre de segments est sélectionné en fonction du temps nécessaire pour transmettre les données demandées.
  4. Procédé selon la revendication 3, dans lequel le nombre de segments est sélectionné conformément au débit de données de la connexion sur laquelle le procédé de téléchargement doit se dérouler.
  5. Procédé selon la revendication 3 ou 4, dans lequel le nombre de segments est sélectionné en fonction de la quantité de données à télécharger.
  6. Procédé selon la revendication 3, 4 ou 5, dans lequel les données supplémentaires sont sélectionnées à partir d'une base de données en fonction du nombre de segments à transmettre.
  7. Procédé selon l'une quelconque des revendications précédentes, dans lequel les données supplémentaires sont sélectionnées à partir d'une base de données en fonction d'un profil d'utilisateur.
  8. Procédé selon l'une quelconque des revendications précédentes, dans lequel les données supplémentaires et les données demandées sont récupérées à partir de différentes bases de données.
  9. Serveur de données destiné à télécharger des données demandées, depuis une base de données vers un terminal éloigné, et comportant un moyen destiné à télécharger des informations supplémentaires en vue d'un affichage sur un terminal au cours du procédé de téléchargement, caractérisé par le fait que le serveur de données comprend un moyen destiné à diviser les données demandées en un certain nombre de segments, et à transmettre les données supplémentaires entre les segments.
  10. Serveur de données selon la revendication 9, comprenant un moyen destiné à transmettre les données supplémentaires au terminal en vue d'un affichage ultérieur.
  11. Serveur de données selon la revendication 9 ou 10, comprenant un moyen destiné à déterminer le temps nécessaire pour transmettre les données demandées, et un moyen destiné à sélectionner le nombre de segments en fonction du temps ainsi déterminé.
  12. Serveur de données selon la revendication 11, dans lequel le moyen destiné à déterminer le temps de transmission comprend un moyen destiné à déterminer le débit de données de la connexion sur laquelle le processus de téléchargement doit avoir lieu.
  13. Serveur de données selon la revendication 11 ou 12, dans lequel le moyen destiné à déterminer le temps de transmission comprend un moyen destiné à déterminer la quantité de données à télécharger.
  14. Serveur de données selon la revendication 11, 12 ou 13, comprenant une base de données de données supplémentaires et un moyen destiné à sélectionner des données supplémentaires à partir de la base de données en fonction du nombre de segments à transmettre.
  15. Serveur de données selon la revendication 9, 10, 11, 12, 13 ou 14, comprenant une base de données de données supplémentaires et un moyen destiné à identifier un profil d'utilisateur associé au terminal demandant les données et à sélectionner des données à partir de la base de données en fonction du profil d'utilisateur.
  16. Serveur de données selon la revendication 9, 10, 11, 12, 13, 14 ou 15 comportant un moyen destiné à récupérer les données supplémentaires et les données demandées à partir de différentes bases de données.
EP02802325A 2001-11-02 2002-10-11 Operation de telechargement de fichiers Expired - Lifetime EP1440553B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02802325A EP1440553B1 (fr) 2001-11-02 2002-10-11 Operation de telechargement de fichiers

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP01309312A EP1309153A1 (fr) 2001-11-02 2001-11-02 Operation de téléchargement de fichier
EP01309312 2001-11-02
EP02802325A EP1440553B1 (fr) 2001-11-02 2002-10-11 Operation de telechargement de fichiers
PCT/GB2002/004617 WO2003039102A1 (fr) 2001-11-02 2002-10-11 Operation de telechargement de fichiers

Publications (2)

Publication Number Publication Date
EP1440553A1 EP1440553A1 (fr) 2004-07-28
EP1440553B1 true EP1440553B1 (fr) 2005-04-06

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EP01309312A Withdrawn EP1309153A1 (fr) 2001-11-02 2001-11-02 Operation de téléchargement de fichier
EP02802325A Expired - Lifetime EP1440553B1 (fr) 2001-11-02 2002-10-11 Operation de telechargement de fichiers

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP01309312A Withdrawn EP1309153A1 (fr) 2001-11-02 2001-11-02 Operation de téléchargement de fichier

Country Status (5)

Country Link
US (1) US20040236795A1 (fr)
EP (2) EP1309153A1 (fr)
CA (1) CA2463126A1 (fr)
DE (1) DE60203638T2 (fr)
WO (1) WO2003039102A1 (fr)

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CN1791102B (zh) * 2003-12-18 2010-12-29 腾讯科技（深圳）有限公司 网络下载装置
KR100582992B1 (ko) * 2003-12-24 2006-05-24 삼성전자주식회사 데이터 전송장치 및 전송방법
AU2010201379B2 (en) 2010-04-07 2012-02-23 Limelight Networks, Inc. System and method for delivery of content objects
EP1740012B1 (fr) * 2005-06-29 2015-04-08 Orange Procédé et système de transmission d'information entre deux terminaux mobiles
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CN109862065B (zh) * 2018-12-06 2021-09-14 北京字节跳动网络技术有限公司 文件下载方法、装置和电子设备
US11226983B2 (en) * 2019-06-18 2022-01-18 Microsoft Technology Licensing, Llc Sub-scope synchronization
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Also Published As

Publication number Publication date
CA2463126A1 (fr) 2003-05-08
WO2003039102A1 (fr) 2003-05-08
EP1440553A1 (fr) 2004-07-28
EP1309153A1 (fr) 2003-05-07
DE60203638D1 (de) 2005-05-12
DE60203638T2 (de) 2006-03-09
US20040236795A1 (en) 2004-11-25

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